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| | LETTER WORDS |
 | | Digamma is an obsolete Greek letter, resembling a capital F, supposed to represent the W sound, and used in the alphanumeric coding system to stand for 6. |
 | | The Samian letter is named for Pythagoras, the philosopher of Samos, who took the letter Y (really, the Greek form, which was Upsilon), as a symbol of how, once one deviates ever so slightly from the path of virtue, one wanders increasingly far away. |
 | | They actually look like the letters X and Y; the male sex chromosome is missing a whole bunch of stuff (no comments, please), which makes a "male" sperm enough smaller and lighter than a female sperm to allow for sex selection via sorting. |
| orion.math.iastate.edu /burkardt/wordplay/letter_words.html (6474 words) |
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